I am using the default setting for setting *fitIntercept*, which *should* be TRUE right?
On Tue, Sep 6, 2016 at 1:38 PM Sean Owen <so...@cloudera.com> wrote: > Are you not fitting an intercept / regressing through the origin? with > that constraint it's no longer true that R^2 is necessarily > nonnegative. It basically means that the errors are even bigger than > what you'd get by predicting the data's mean value as a constant > model. > > On Tue, Sep 6, 2016 at 8:49 PM, evanzamir <zamir.e...@gmail.com> wrote: > > Am I misinterpreting what r2() in the LinearRegression Model summary > means? > > By definition, R^2 should never be a negative number! > > > > > > > > -- > > View this message in context: > http://apache-spark-user-list.1001560.n3.nabble.com/I-noticed-LinearRegression-sometimes-produces-negative-R-2-values-tp27667.html > > Sent from the Apache Spark User List mailing list archive at Nabble.com. > > > > --------------------------------------------------------------------- > > To unsubscribe e-mail: user-unsubscr...@spark.apache.org > > >
